1. question
one of the four fundamental interactions in nature is?
a. electromagnetism
b. gravity
c. strong interaction
d. all of the above
2. question
electromagnetic force is sometimes called?
a. einstein force
b. lorentz force
c. newton force

spectral lines lyman is one set

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.